package jiaxa.com.jsbridge.ui;

import android.content.Context;
import android.util.AttributeSet;
import android.view.ViewGroup;
import android.webkit.WebView;
import android.widget.ProgressBar;

/**
 * Created by jiaxa on 2017/11/22.
 */

public class ProgressWebView extends WebView {
    private ProgressBar progressbar;
    public ProgressWebView(Context context, AttributeSet attrs) {
        super(context, attrs);
        progressbar=new ProgressBar(context,null,android.R.attr.progressBarStyleHorizontal);
        progressbar.setLayoutParams(new LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,3,0,0));
        addView(progressbar);
        setWebChromeClient(new WebChromeClient());
    }
    public class WebChromeClient extends android.webkit.WebChromeClient{
        @Override
        public void onProgressChanged(WebView view, int newProgress) {
            if (newProgress==100){
                progressbar.setVisibility(GONE);
            }else{
                if (progressbar.getVisibility()==GONE){
                    progressbar.setVisibility(VISIBLE);
                }
                progressbar.setProgress(newProgress);
            }
            super.onProgressChanged(view, newProgress);
        }
    }

    @Override
    protected void onScrollChanged(int l, int t, int oldl, int oldt) {
        LayoutParams lp = (LayoutParams) progressbar.getLayoutParams();
        lp.x=l;
        lp.y=t;
        progressbar.setLayoutParams(lp);
        super.onScrollChanged(l, t, oldl, oldt);
    }
}
